NFC: nxp-nci: Fix recommendation for NFC_NXP_NCI_I2C Kconfig

This is a simple cleanup to the Kconfig help text as discussed in [1].

[1] https://marc.info/?t=155774435600001&r=1&w=2



Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Suggested-by: Oleg Zhurakivskyy <oleg.zhurakivskyy@intel.com>
Signed-off-by: Sedat Dilek <sedat.dilek@credativ.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>